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Your motherboard's parallel port might be in a different mode or incompatible with the pinout you're using. I'm not sure which mode works best with the parallel port controllers, but just look around on the net, and you should find something.

I don't think that will work. I think the 32x combines the 32x output with the Genesis RGB out, so just hooking up composite won't work.

I have a Game Gear. I've taken it apart many times, and am quite confident that with some help from people more experienced with electronics, I could install a LED backlight and lower its battery consumption by a lot. I will add pictures of the Game Gear and how I think the backlight would work.

I know I should not have any troubles with this, but I am having a lot of difficulty finding the Chroma and Audio pins on my 4-switch Atari, model CX-2600 A and manufactured in Taiwan. I can send pictures if needed. Please respond ASAP!

If I was going to test the contacts on the Nomad, how would I go about doing that? I have no idea how to use a multimeter. Thanks for the help.

Sadly, I don´t have a multimeter to test the contacts with. So if anyone else has any clue on the polarity, please reply with info.

The contacts circled are direct battery contacts used for the standard Nomad battery. I just need to know which one is positive and which is negative.

I am currently working on making a battery pack for my Sega Nomad. I just need to know what the polarity of the battery connectors on the back are. I can send pictures if needed.

I am currently making an N64 portable-ish thing, and am wondering how to wire up a battery. I know you need a battery around 7-9 volts, and a voltage regulator (LM318) for the 3.3v line, but how do you wire it?

I just found something that appears to be a NOAC - it's a driving wheel with built-in-games. I looked inside and I'm pretty sure it is. It has a little cartridge soldered on it with 60 pins. I'll get pictures ASAP.

Does anyone know how to replace the ribbon cable connecting the cd-rom assembly to the mobo? If you don't i really would like to find a place that sells replacement cd-rom drives (KSM-440AAM)

I looked at that, but I don't know where Stella is. I think it's the bottom one, but I'm not sure.

I need a diagram showing where the sound and video spots are on a 6-switch. please help!

or maybe you could get it out of a Sonic&Knuckles cart or Game Genie

where is +5 volts? Do you mean the pin on the nes board or something else?
EDIT: Can I also have a diagram for a power thingy? Sorry, I don't know how to describe it better.